phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8b6d6c2ba6b88f42d497a47ec1aa9b6e' for key 'PRIMARY'

INSERT INTO motocit1_gp3.gp3_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8b6d6c2ba6b88f42d497a47ec1aa9b6e', -1, 1769769076, 1769769076, 'd849d89a', 88, 0, 0)

Line : 187
File : sessions.php